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Competitive inhibitors of free and chitosan-immobilized urease

100%

Zaborska W.

Acta Biochimica Polonica

1995

tom 42

nr 1

The influence of four inhibitors: boric acid, thioglycolic acid, sodium fluoride and acetohydroxamic acid on the activity of urease, both in the native form and immobilized covalently on glutaraldehyde-pretTeated chitosan membrane, was studied. Urea hydrolysis was carried out in phosphate buffer, pH 7, at 25°C at urea concentration of 50 mM. The immobilized urease was more resistant than the native one to the action of all the investigated inhibitors, except boric acid. This property of the enzyme offers a possibility of its practical application.

Ograniczanie wyników

1 Acta Biochimica Polonica

1 Zaborska W.

1 1995

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Competitive inhibitors of free and chitosan-immobilized urease